CN103857513B - Machinery and/or the method for optical function for transparent clock and watch component - Google Patents

Machinery and/or the method for optical function for transparent clock and watch component Download PDF

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Publication number
CN103857513B
CN103857513B CN201280049239.7A CN201280049239A CN103857513B CN 103857513 B CN103857513 B CN 103857513B CN 201280049239 A CN201280049239 A CN 201280049239A CN 103857513 B CN103857513 B CN 103857513B
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China
Prior art keywords
component
mould
matrix
layer
intermediate surface
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CN201280049239.7A
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Chinese (zh)
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CN103857513A (en
Inventor
C·波费特
P·盖施特
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ETA SA Manufacture Horlogere Suisse
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ETA SA Manufacture Horlogere Suisse
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1679—Making multilayered or multicoloured articles applying surface layers onto injection-moulded substrates inside the mould cavity, e.g. in-mould coating [IMC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0073—Optical laminates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00865—Applying coatings; tinting; colouring
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B29/00—Frameworks
    • G04B29/02—Plates; Bridges; Cocks
    • G04B29/027—Materials and manufacturing
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/004—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor characterised by the material used
    • G04B31/016—Plastic bearings
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • G04B39/004—Watch crystals; Fastening or sealing of crystals; Clock glasses from a material other than glass
    • G04B39/006—Watch crystals; Fastening or sealing of crystals; Clock glasses from a material other than glass out of wear resistant material, e.g. sapphire
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0076—Decoration of the case and of parts thereof, e.g. as a method of manufacture thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1657—Making multilayered or multicoloured articles using means for adhering or bonding the layers or parts to each other
    • B29C2045/166—Roughened surface bonds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0026—Transparent

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

The present invention relates to the manufacture for transparent clock and watch component (1) and the mechanical and/or method of optical function, wherein: matrix (16) is formed by polymethyl methacrylate, described matrix includes basal surface (3) and machinery and/or the intermediate surface (7) of optical function；Described matrix is covered by layer, described layer is formed by being expelled to be positioned in the cavity (14) between mould (9) and described matrix (16) or intermediate (6A) by the second transparent, polymerisable material (6), described intermediate is limited by the complementary intermediate surface (7A) of the contact surface (10) of preceding mould (9), and later mould (9) is the former of the top surface (2) of described component (1)；Described second material (6) is polymerized；By making described die deformation be removed from described flexible die (9) by described component (1).

Description

Machinery and/or the method for optical function for transparent clock and watch component
Technical field
The present invention relates to a kind of method for forming transparent monoblock type clock and watch component, this component includes The top surface connected by edge and basal surface, described edge extends in the thickness of described component.
The invention still further relates to the purposes utilizing described method to manufacture clock and watch component.
Background technology
The transparent components that the transparent components proxy mineral made with molding material is originated provides a kind of function Property replacement scheme, its production cost is low and is completely independent of the specific source of supply of high-grade transparent material.
But, on the one hand, molded clear part is owing to being difficult to the quality molding with enough repeatabilities The thinnest part and thicker.On the other hand, the wearability, the most resistance to of these known plastic materials Scraping property is the most common.Therefore, it is at the intermediate member of external member watchcase, watch rim or the table of clock and watch Application in mirror is always subjected to limit.
This low wearability also makes to manufacture the angular component of tool because wedge angle with user, Can rust in time and rapidly when its medicated clothing contacts with common every-day object.
In clock and watch manufacture, make component especially those stand environment and user is caused should It is useful that the clock and watch external member of power has big case hardness.These components must also have Some such as elastic, rigidity or there is flexibility or the physical property of specific optical property on the contrary, or Particular optical performance, in order to strengthen the display to some component, or on the contrary for hiding clock and watch Some parts.
The European patent No 1666225 of BAYER MATERIAL SCIENCE CLC describes For the method manufacturing plastic member, this component moulds and at mould in the first chamber of mould Coating in second chamber, coating material is compressed in a mold.
The Japanese patent application No 58080587A of SUWA SEIKOSHA describes by using warp Acrylic silane process and the conjunction with the spirane resin such as with the Photoepolymerizationinitiater initiater such as benzophenone Become the UV solidification glass fibre of mixed with resin and watchcase is done in terms of wearability and dimensional accuracy Improve.These watchcases are formed by resilient elastomeric or silicone molded, and watchcase is fixed on glass plate On, then carry out UV according to the intensity of radiation and irradiate 30 seconds to 30 minutes.
Summary of the invention
It is a kind of for obtaining in an economical manner and with having high dimensional accuracy that the present invention proposes enforcement The method obtaining transparent monoblock type clock and watch component.
More specifically, it is an object of the invention to produce such component, its case hardness is than generally The case hardness of the clock and watch component obtained by moulding of plastics materials is big.
One specific object is also to manufacture external clock parts, and it includes such as with facet cutting or brill Wedge angle that stone is cut into and wear-resisting.
Therefore, the present invention relates to a kind of manufacture for optically transparent clock and watch component and machinery and/ Or the method for optical function, described clock and watch component includes top surface and the basal surface connected by edge, Described edge extends in the thickness of described component, it is characterised in that:
-selecting the first material, this first material is optically transparent polymerizable material, described optical lens The most optically transparent acrylate copolymer of bright polymerizable material, wherein said acrylate copolymer For example, polymethyl methacrylate；
The second material that-selection exemplary composition moulds as at least one polymerizable is described in order to manufacture At least one layer of component, wherein said second material is included in the ratio accounting for total amount:
-trimethylolpropane tris (methacrylate): 78.0%；
-tetramethylol methane tetraacrylate: 19.5%；
Double (4-tert-butylcyclohexyl) ester of-peroxide two carbonic acid: 0.5%；
-1-benzoylcyclohexanol: 2.0%；
The matrix of-described component with described first material forming, component described in the volume ratio of described matrix Volume little and between described basal surface and the intermediate surface connected by middle edge extend, in institute During stating the reprocessing during matrix shapes in applicable mould or after described shaping Complete the machinery of described intermediate surface and/or optical function and structuring；
-determine and treat that superimposition is on the matrix to obtain the quantity of the layer of described component；
-there is the mould of contact surface for each described layer manufacture, this contact surface is described top surface Former or define the surface of the solid with the internal volume less than the final volume of described component, Described mould includes having the edge on supporting surface, described supporting surface configuration become in complementary fashion against In described intermediate surface or on described middle edge, and in the case of there is multiple described mould, Each described mould limits the external volume of intermediate, and this intermediate is by described in involved mould The complementary intermediate surface of contact surface defines, and the external volume of described intermediate mutually comprises；
-with described intermediate surface at a distance of with described component needed for distance corresponding to thickness and about In the case of described intermediate surface is accurately positioned, described mould is located so that its described contact surface face To the described intermediate surface of described matrix, described supporting surface and described intermediate surface or described medial side Edge contacts hermetically；
-inject described second material, so that described second material is completely filled with cavity, this cavity is by institute State the described contact surface of mould, the described intermediate surface of described matrix and described fringe enclosing, described Edge by described mould described supporting face seal abut against described intermediate surface or described centre On edge；
-make described second material having been injected in described cavity be polymerized, until polymerization according to circumstances obtains Obtained by described matrix being assembled on the most described layer the described component formed or by transparent The intermediate that the complementary intermediate surface of the described contact surface of mould defines；
-remove described mould；
-each formation operation repeating layer with new mould, has final volume until obtaining Described component, the internal volume of described new mould is than the described intermediate obtained by preceding mould Volume big.
According to inventive feature, select methyl methacrylate as described first material.
According to inventive feature, have been injected into described second material in described cavity in polymerization process In stand temperature between 100 DEG C and 120 DEG C 10 to 20 seconds.
According to inventive feature, after injecting described second material, by with ultraviolet energy Described mould that the die form passed through is made or by described intermediate or the component that has been polymerized from institute State after cavity removes, irradiate described intermediate or described component by ultraviolet radiation, in order to Obtain the hardness of the raising of described intermediate or described component.
According to inventive feature, it is permeable that described first material is chosen to ultraviolet irradiation, except Outside irradiating through transparent mould, it is also with ultraviolet irradiation and irradiates through described matrix described Intermediate or described component, in order to obtain the hardness of the raising of described intermediate or described component.
According to inventive feature, during by described second Material injection to described cavity and Thrust is applied, to manufacture to described mould and described matrix in described second material polymerization process State component.
According to inventive feature, under the pressure higher than 100MPa, perform the note of described first material Penetrate.
According to inventive feature, constitute there is a striped section of anisotropic light diffuser element by being formed and Described intermediate surface is formed optical function structure.
According to inventive feature, it is substantially parallel to one another by formation and is substantially perpendicular to described Basal surface or the mortise of the tangent plane of described intermediate surface and/or joint tongue come in described intermediate surface, Intersecting between described mortise and the extension of joint tongue and involved surface forms mechanical power in section Structure can be changed.
According to inventive feature, by forming ratio in the region of the higher curvature of described matrix at this base The less matrix section of section formed in the region of the relatively low curvature of body and the layer manufacture that will be increased Become section in the high curvature areas of this layer bigger than the section in the low area of curvature of this layer and Mechanical function structure is formed in intermediate surface.
According to inventive feature, change by forming thickness in the relatively low area of curvature of described component Region and in intermediate surface formed mechanical function structure.
According to inventive feature, at least one certain layer in the layer covering described matrix and at least One described intermediate surface is configured so that the incident angle observed described component according to user Hide or appear described certain layer.
The invention still further relates to a kind of clock and watch component utilizing described method manufacture to select from following component Purposes: table mirror, table hat, the intermediate member of watchcase, bottom plate, clamping plate, wheel, escape wheel, escapement Fork, cartridge housing, amortisseur/buffer.
Accompanying drawing explanation
Other features and advantages of the present invention will read referring to the drawings described in detail below in more clear Chu, in the accompanying drawings:
-Fig. 1 illustrates the indicative flowchart of the sequence of operations for implementing this method；
-Fig. 2 illustrates the component through obtaining according to the method in the embodiment being wherein deposited upon on matrix The schematic sectional view of thickness；
-Fig. 3 illustrates through the thickness of component of Fig. 2 and is substantially perpendicular to schematically cutting of its first type surface Face figure, during wherein one-block apparatus is in its configuration employed in elements during formation；
-Fig. 4 illustrates a modification in the way of similar with Fig. 2, and wherein this component includes two of matrix Superincumbent layer；
-Fig. 5 illustrates another modification in the way of similar with Fig. 2, wherein between matrix and coat Intermediate surface be substantially smooth, the thickness substantial constant of described coat；
-Fig. 6 illustrates another modification in the way of similar with Fig. 2, wherein between matrix and coat Intermediate surface be streaky；
-Fig. 7 illustrates another modification in the way of similar with Fig. 2, wherein between matrix and coat Intermediate surface include mortise alternately and joint tongue；
-Fig. 8 illustrates another modification in the way of similar with Fig. 2, wherein between matrix and coat Intermediate surface be sectional crimps, described coat has the thickness of change；
-Fig. 9 illustrate close to the top surface utilizing the component made according to the concrete modification of the present invention one section Face figure；
-Figure 10 illustrates the schematic diagram of the clock and watch including at least one component manufactured according to the present invention.
Detailed description of the invention
It is a kind of for obtaining in an economical manner and with having high dimensional accuracy that the present invention proposes enforcement The method obtaining transparent monoblock type clock and watch component 1.
More specifically, it is an object of the invention to produce such component 1, its case hardness is than logical The case hardness of the clock and watch component often obtained by moulding of plastics materials is big.
The invention reside in and coat matrix 16 with one or more layers 20,20A ..., this matrix is preferred Being transparent, the layer directly contacted with matrix has the good affinity with matrix 16, juxtaposed layer phase There is between Hu good affinity.Therefore, the selection to the first material 5 being suitable for matrix 16 With to the second material 6 being suitable for coating matrix or completely or partially mutual each layer 20 of coating Selection be very important.
Preferably, will be from acroleic acid polymerization species or EvonikCoverOr Hanse'sOr polymethyl methacrylate selects optically transparent first Material 5.
According to the present invention, from acroleic acid polymerization species or EvonikCoverOr Hanse'sAt least one polymerisable second material 6 of middle selection is in order to make Make described component 1.
One steps necessary of described method is to select the second material 6.
Generally, the second material 6 include acrylic monomer, at least one thermal initiator, at least one Plant UV initiator and at least one can be by least one formation in described acrylic monomer Cross-linking agent.Second material can also include one or more additives, and this will be described in more detail below.
More specifically, the second material 6 includes the monomer having at least one degree of functionality more than or equal to 2 The mixture of acrylic monomer, at least one thermal initiator and at least one photochemical initiators. Equally, this material can include one or more additives.
Even more specifically, described second material 6 is included in the ratio accounting for total amount:
The mixture of-the degree of functionality acrylic monomer more than or equal to 2: 50-97.5%
-at least one thermal initiator: 0.5-3%
-at least one photochemical initiators: 0.5-3%
-at least one additive: 0-50%.
In more specifically compositions, described second material 6 is included in the ratio accounting for total amount:
-trimethylolpropane tris (methacrylate) and the mixture of tetramethylol methane tetraacrylate: 50-97.5%
Double (4-tert-butylcyclohexyl) ester: the 0.5-1.5% of-peroxide two carbonic acid
-1-benzoylcyclohexanol: 0.7-2.3%
-at least one additive: 0-50%.
To be referred to as below in the preferred composition of exemplary composition CT of the second material 6, institute State the second material 6 to include in the ratio accounting for total amount:
-trimethylolpropane tris (methacrylate): 78.0%
-tetramethylol methane tetraacrylate: 19.5%
Double (4-tert-butylcyclohexyl) ester of-peroxide two carbonic acid: 0.5%
-1-benzoylcyclohexanol: 2.0%
For additive described in those compositionss including additive of the second material 6 at the second material In the range of the 0-50% of the total amount of material 6, these additives can be by the percentage of the total amount accounting for the second material Ratio includes:
A. antistatic additive
A. polyamide-polyether copolymer: 0-15%, preferably 0-15%
B. olefinic ionomer resin: 0-30%, preferably 10-30%
C. three new alkoxy zirconium ester: 0-30%, preferably 10-30%
B. conductive agent:
A. conductive nano-particles: gold, CNT, silver, antimony tin oxide alloy, aluminum zinc oxide Alloy, indium tin oxide alloy, zinc gallium oxide alloy: 0-30%, preferably 10-30%
C. magnetic material:
A. magnetic nanoparticle: magnetic iron ore: 0-30%, preferably 5-30%
D. antibacterial:
A. silver ion: 0-30%, preferably 10-30%
E. uv-resistant agent:
A. absorbent: benzotriazole: 0-0.2%, preferably 0.05-0.2%.
B.HALS (hindered amine as light stabilizer): 0-0.2%, preferably 0.05-0.2%
F. antioxidant:
A. phenols phosphite ester；Ethylidene [double (3-tert-butyl-hydroxy phenyl) butyrate of 3,3-]；Season Penta tetrol four (3-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester): 0-1.5%
G. fire retardant:
A. phosphorus derivant: triphenyl phosphate 0-15%
The most exfoliated montmorillonite (absciss layer montmorillonite): 0-15%
C. clay nano pipe: 0-15%
H. lubricant:
A. Silicone acrylates: 0-2%, preferably 0.5-2%
I. dyestuff:
A. Anthraquinones: 0-50%
B. azo: 0-50%
J. pigment: 0-50%
K. the auxiliary agent of controlled delivery: after mixing in preparaton, these auxiliary agents are gradually released to building ring In border: 0-50%
L. the microcapsule of renovation agent, described renovation agent by with involved compositions, especially with typical case The polymerisable liquid that compositions CT character is identical is formed, thus it is included in the content in total content It is: 0-50%
It should be noted that the first material 5 for forming matrix 16 may be selected to especially by above-mentioned The second material 6 that exemplary composition CT is formed is identical.
Therefore, the invention still further relates to a kind of manufacture for transparent clock and watch component 1 and machinery and/or light Learning the improved method of functionalization, described clock and watch component includes top surface 2 and the end table connected by edge 4 Face 3, edge 4 extends in the caliper portion of component 1.The method comprises the following steps:
-AA: from acroleic acid polymerization species or exemplary composition CT or Evonik's CoverOr Hanse'sOr polymethyl methacrylate selects For forming optically transparent first material 5 of matrix 16；
-BB: from acroleic acid polymerization species or exemplary composition CT or Evonik's CoverOr Hanse'sOr polymethyl methacrylate selects For manufacturing the second material 6 that at least one polymerizable of one or more layers 20 of component 1 moulds；
The matrix 16 of-CC: component 1 shapes with the first material 5, the volume ratio component 1 of matrix 16 Volume little, and this matrix is between the basal surface 3 connected by middle edge 8 and intermediate surface 7 Extend, complete during reprocessing when matrix 16 shapes in applicable mould or after such shaping The machinery of intermediate surface 7 and/or optical function and structuring；
-DD: determine treat superimposition on matrix 16 to obtain the quantity of layer 20 of component 1；
-EE: produce the mould 9 with contact surface 10, described contact surface for each described layer The former (n é gatif) of top surface 2, or define less than the final volume of component 1 in The surface of the solid of portion's volume, mould 9 includes the edge 11 with supporting surface 12, described supporting Surface configuration becomes to abut against in complementary fashion in intermediate surface 7 or abut against on middle edge 8, and In the case of having multiple mould 9, each mould limits the external volume of intermediate 6A, should Intermediate is defined by complementary intermediate surface 7A of the contact surface 10 of involved mould 9, intermediate The external volume of 6A mutually comprises；
-FF: with intermediate surface 7 at a distance of with component 1 needed for distance corresponding to thickness and about In the case of intermediate surface 7 is accurately positioned, mould 9 is located so that its contact surface 10 is towards matrix The intermediate surface 7 of 16, supporting surface 12 contacts hermetically with intermediate surface 7 or middle edge 8；
-GG: inject the second material 6 so that the second material 6 is completely filled with cavity 14, this cavity by The contact surface 10 of mould 9, the intermediate surface 7 of matrix 16 and this edge 11, edge 11 by The supporting surface 12 of mould abuts sealingly against to be defined in intermediate surface 7 or middle edge 8；
-HH: make the second material 6 having been injected in cavity 14 be polymerized, until polymerization is according to circumstances Obtain component 1 or complementary intermediate surface 7A by the contact surface 10 of transparent mould 9 defines Intermediate 6A；
-JJ: remove mould 9；
-every time with the internal volume ratio of new mould 9 this new mould of repetitive operation by described The volume of the intermediate 6A that preceding mould obtains is big until obtaining the component with final volume 1。
In advantageous variant embodiment:
-matrix 16 is formed by polymethyl methacrylate (PMMA), and it includes described basal surface 3 And the intermediate surface 7 of mechanically and/or optically functionalization；
-described matrix is coated by least one layer 20, and this at least one layer passes through will be by exemplary composition CT or CoverSecond material 6 of the transparent, polymerisable that material is formed is expelled in cavity 14 Make, described cavity between mould 9 and described matrix 16 or intermediate 6A, this intermediate by Complementary intermediate surface 7A of the contact surface 10 of preceding mould 9 defines, and last mould 9 is The former of described top surface 2；
-the second material 6 is polymerized to obtain by matrix 16 and continuous print (many) layer 20 in described cavity The rigid member 1 that obtains of agglomeration (agglom é rat)；
-by the deformation of described mould, component 1 is removed from plate and flexible die 9.
Hardness is improved by component 1 is carried out ultraviolet irradiation.Being preferable to carry out of the present invention includes this UV irradiate, this allow to activate photochemical initiators to react, the component 1 otherwise completed Mechanical performance poor.
Second material 6 or preferably exemplary composition CT, wherein the second material 6 is by accounting for total amount Ratio includes:
-trimethylolpropane tris (acrylate): 78.0%
-tetramethylol methane tetraacrylate: 19.5%
Double (4-tert-butylcyclohexyl) ester of-peroxide two carbonic acid: 0.5%
-1-benzoylcyclohexanol: 2.0%；
Or select EvonikCoverMaterial is as manufacturing component 1 Second material 6 of polymerizable molding, in order to form layer 20 or the multilamellar 20 of component 1.This material comes Come from the mixing of two kinds of components: the liquid reactant being designated 30A and the liquid being designated 30B cause Agent.
It is preferably chosen polymethyl methacrylate as the first material 5.
It practice, after the polymerization, especially the temperature less than 130 DEG C, close to 110 DEG C at a temperature of After carrying out heat treatment KK, and after described heat treatment, perform ultraviolet light (herein further " UV ") after radiation treatment LL, exemplary composition CT material or CoverMaterial is Through having fabulous case hardness, this so that it can the most anti-scratch, impact/vibrate and wear and tear. UV irradiates LL and has case hardness by making system forever cross-link to increase obtained component 1 Effect.
Additionally, when implementing, this mixture by liquid phase, base phase and activator/activator phase is formed Product there is when liquid phase good wettability at which, this wettability can make described product account for All well, seam and substantially all surface indentation and gap according to its matrix touched.Described product Therefore conceal as the application of coat 20 apply the component of this product or sub-component, matrix 16 or Whole defects in intermediate 6A.
Each flexible die 9 preferably byMaterial is made, and this provides the highest size Precision and perfect apparent condition.
Preferably, in order to obtain the hardness of the raising of intermediate 6A or rigid member 1, it is expelled to chamber The second material 6 in body 14 stands in the course of the polymerization process less than 130 DEG C, preferably at 100 DEG C and 120 Temperature between DEG C 10 to 20 seconds.This heat treatment preferably at component and sub-component still at cavity 14 Perform time internal.
In a favourable modification, the cooling at least suddenly performed to room temperature as heating is with little In the persistent period of 20 seconds.
In order to obtain the hardness of the raising of intermediate 6A or rigid member 1, at injection the second material 6 Afterwards, by the mould 9 made through die form with UV or at the intermediate 6A that will be polymerized Or after component 1 removes from cavity 14, irradiate intermediate 6A or component 1 by UV irradiation.
Advantageously, it is permeable that the first material 5 is chosen to ultraviolet irradiation, and this is hence in so that except thoroughly Cross outside transparent mould 9 irradiation, be also with ultraviolet irradiation through matrix 16 to irradiate intermediate 6A or component 1, in order to obtain the hardness of the raising of intermediate 6A or rigid member 1.
Preferably, it is polymerized during the second material 6 is expelled in cavity 14 with at the second material 6 During apply thrust FS to mould 9 and matrix 16, to manufacture component 1.
The most i.e., higher than 100MPa but less than the pressure of 150MPa Hemostasis the first material 5.
Fig. 4 illustrates the embodiment with multiple layers 20: ground floor 20A the most directly covers Lid matrix 16 is to be formed such as intermediate 6A visible in Fig. 4 A, this ground floor 20A together with this matrix And then completely or partially covered by the second outer edge layer 20B.It is evident that can be formed have more The complex of the layer of quantity is without deviating from the present invention.
Although the preferred purpose of the present invention is to form transparent complex, but the present invention can also be formed Including the complex of the inclusions with dicoration or technological property, described inclusions is e.g. for little Time guide-labelling display guides-labelling its can manufacture in the thickness of table mirror or manufacture is at table On the pointer towards clock and watch of mirror or the side of display device, or corresponding to such as energy storage etc. The guide-labelling of the scope being particularly shown.
Component 1 in irregular shape in the case of, in mould at least one described 9, produce note Penetrating and deaerate capillary bed 13, the second material 6 is expelled to involved saturating by injection capillary bed In bright mould 9 so that the second material 6 be completely filled with the contact surface 10 by transparent mould 9, The cavity 14 that the intermediate surface 7 of matrix 16 and edge 11 define, described edge 11 is by described The supporting surface 12 of mould abuts sealingly against in intermediate surface 7 or on middle edge 8.
Form functionalization structure, in order to give component 1 with special physics and/or optical property.At figure In the modification of 6, by formed constitute there is a striped section of anisotropic light diffuser element and in intermediate surface 7 Upper formation optical function structure.
In the modification of Fig. 7, it is substantially parallel to one another by formation and is substantially perpendicular to and basal surface 3 or the mortise 17 of the tangent plane of intermediate surface 7 and/or joint tongue 18 in intermediate surface 7, Intersecting between described mortise and the extension of joint tongue and involved surface forms mechanical function in section Change structure.
In the modification of Fig. 8, by forming ratio in the region of the higher curvature of matrix 16 at this matrix The less matrix section of section that formed in the region of relatively low curvature and the layer 20 increased is manufactured Become section in the high curvature areas of this layer bigger than the section in the low area of curvature of this layer and Mechanical function structure is formed in intermediate surface 7.
By the region of formation thickness change in the relatively low area of curvature of described component in intermediate surface Mechanical function structure is formed on 7.
Selection has exemplary composition CT or CoverThe material of material allows thin layer 20 Deposition.Preferably, matrix 16 coating combines (many) of the thickness the second material between 10 and 50 microns Layer 20 is to manufacture component 1.
Advantageously, when forming multilayer composite, in the multiple intermediate surface between described layer Form functionalization structure, as shown in Figure 4, structure intermediate surface 7 and 7A the most by this way.
At least one certain layer in an application-specific, in (many) layers covering matrix 16 20 are configured so that according to user entering that described component is observed with at least one intermediate surface 7 Firing angle degree is hidden or appears certain layer.
More specifically, coherent source is utilized to make the certain layer of holographic material experience the pre-recorded of hologram. An application-specific of the present invention uses and there is the HeNe laser instrument of 1 to 4mW power or swash Optical diode.
For being intended to the inclusions with technological property of the component 1 of a part for formation watch and clock movement One particularly advantageous modification is, is formed when forming mechanical function structure in intermediate surface 7 The pocket of the mortise 70 in such as Fig. 7 or cavity, so that the granule with particular characteristic can executed It is deposited in described pocket or cavity before adding top layer.It is in liquid, having before the polymerization The material of exemplary composition CT or CoverThe performance of material allow described material and this Its capillary advantage is utilized, so that granule is deposited on the bottom of mortise etc. during a little granule mixing. Point-device size of mortise, striped/rill, cavity, pocket etc. and the granule chi close to granule Very little allowing to will have low particle size in injection during forming the product liquid of back to back layer Granule be maintained at the position of accurately restriction.
More specifically, select to have the most charged or electrifiable and/or magnetized or magnetizable granule Inserts impart the component 1 that is consequently formed with watch and clock movement according to desirable effect, there is complementary performance Other component produce physical attraction and/or the property of repulsion.Therefore Fig. 6 illustrates specific embodiment, Wherein before injection the first material 5 or after period or described injection, spheroid 18 is embedded formation In the cavity 17 of mould, each spheroid 18 includes particularly having electret, ferrite, neodymium magnetic Electrifiable and/or magnetizable and/or the most charged and/or magnetized core of body type etc..Charged Or magnetization can be carried out before injection or afterwards.Such as, Fig. 6 is shown in and particularly has containing typical case The material of compositions CT or CoverFirst material 5 of material is magnetized after being polymerized completely Granule.What Fig. 6 was also shown in a region of top surface 2 is provided for the chamber 19 of lubrication.So After the contact surface 7 of plate 6 is correspondingly set.
Surface-functionalized can also by nano surface-structural manufacturing process such as photoetching, electron beam lose Carve, electron beam-induced growth obtains.This structure is conducive to encryption and anti-fake mark.
In another modification, lubriation material and the first material 5 are with similar to the mixing of above-mentioned spheroid 18 Mode mix.
The invention still further relates to the application of described method to clock and watch component 1 selected from following component: table Mirror, table hat, the intermediate member of watchcase, bottom plate, clamping plate, wheel, escape wheel, escapement lever, bearing Shell, amortisseur/buffer, but this list is the most detailed.
Select that there is the material containing exemplary composition CT or CoverThe thin layer 20 of material It is formed on the matrix 16 being made up of PMMA, it is ensured that occur in the interface with intermediate surface 7 First physical-chemical reaction of diffusion.Use the Cover of the bi-component with liquid-phase mixingMaterial Make it possible to occupy all well in intermediate surface 7 and mould.This explains the perfect table obtained The matter quantitative limitation that surface state is subject to used mould certainly and the component 1 obtained Both transparencys: this is because there is not toner, it is sightless that surface engages, and impossible With the naked eye distinguish the boundary line between different materials.CoverBeing suitable for dyeing, this allows to Manufacturing the component with specific decoration part, described decoration includes multi-color decorative part and manufactures described In the thickness of component.Hologram can also be formed.
The invention enables and can obtain such component, i.e. described component has bigger transparency, There is surface more more preferable than the surface of the component being made up of common mold plastic material, and have lasting Hardness.Scratch resistance is extraordinary.By using CoverAs the first material 5, In the case of carrying out heat treatment at a temperature of less than 130 DEG C and carrying out UV solidification, it is thus achieved that In graphite pencil hardness scale(degree), grade is the hardness of 7H, by contrast, is processed by Anti-scratching coating The hardness of standard PMMA crossed is 2H, or the hardness of polyamide is HB.
It should be understood that method detailed above is that user is according to the production equipment/manufacture used Representative illustration in the class method that device is implemented.
Especially, in automated method, it can be advantageous to:
-close mould to limit the first cavity volume；
-the first material 5 is expelled in described first cavity；
-cool down described material；
-partly reopen described mould, to be formed, there is the volume bigger than described first volume The second cavity, the difference between the two volume is consistent with the volume of the ground floor 20A of the second material 6；
-inject the second material 6；
-perform solidification heat treatment；
-perform UV irradiation in order to complementarity solidification；
-cooling combined body；
-to repeat described behaviour with number as many number of times treating superimposition layer on equal dies profile Make.
It is of course possible to change counter punch tool, component several formed with amendment in described operating process What shape.
The equipment of the enforcement present invention can also define on same component and be coated with the one of the second material 6 A little regions and other region of uncoated second material, for contributing to enforcement according to selected material Other such as laser or ultrasonic bonding etc. can the method that carries out on some metal of more high-quality.
Finally, it is exceedingly fast according to the production cycle of the present invention: for manufacturing, there is single layer coating layer For component, the quantity staying in the operation performed at injection work station is 4, by contrast, with coating The operation amount having the traditional material of scratch resistant coatings to manufacture required for similar members is 14.
The invention still further relates to include the watch and clock movement of at least one component 1 made according to described method 100。
The invention still further relates to include the clock and watch of the component 1 that at least one the method according to the invention makes 1000。

Claims (19)

1. for machinery and/or the method for optical function of optically transparent clock and watch component (1), Described clock and watch component includes top surface (2) and basal surface (3), the described limit connected by edge (4) Edge (4) extends in the thickness of described component (1), it is characterised in that:
-selecting the first material (5), this first material is optically transparent polymerizable material；
-select the second material (6) that exemplary composition moulds as at least one polymerizable in order to manufacture At least one layer (20) of described component (1), wherein said second material (6) is by accounting for total amount Ratio includes:
-trimethylolpropane tris (methacrylate): 78.0%；
-tetramethylol methane tetraacrylate: 19.5%；
Double (4-tert-butylcyclohexyl) ester of-peroxide two carbonic acid: 0.5%；
-1-benzoylcyclohexanol: 2.0%；
The matrix (16) of-described component (1) shapes with described first material (5), described matrix (16) volume of component (1) described in volume ratio is little and in the institute connected by middle edge (8) State and extend, at described matrix (16) at applicable mould between basal surface (3) and intermediate surface (7) Described intermediate surface is completed during reprocessing during shaping in tool or after described shaping (7) machinery and/or optical function and structuring；
-determine treat superimposition on described matrix (16) to obtain the layer (20) of described component (1) Quantity；
-manufacture for each described layer (20) there is the mould (9) of contact surface (10), this contact Surface is the former of described top surface (2) or defines the final volume having than described component (1) The surface of the solid of little internal volume, described mould (9) includes the limit with supporting surface (12) Edge (11), described supporting surface configuration become to abut against in complementary fashion described intermediate surface (7) upper or On described middle edge (8), and in the case of there is multiple described mould (9), Mei Gesuo Stating mould and limit the external volume of intermediate (6A), this intermediate is by involved mould (9) The complementary intermediate surface (7A) of described contact surface (10) define, described intermediate (6A) External volume mutually comprises；
-with described intermediate surface (7) at a distance of with described component (1) needed for thickness corresponding away from From and in the case of being accurately positioned about described intermediate surface (7), described mould (9) is positioned to Make its described contact surface (10) towards the described intermediate surface (7) of described matrix (16), institute State supporting surface (12) to contact hermetically with described intermediate surface (7) or described middle edge (8)；
-inject described second material (6), so that described second material (6) is completely filled with cavity (14), This cavity by the described contact surface (10) of described mould (9), described matrix (16) described in Between surface (7) and described edge (11) define, described edge is by the described supporting table of described mould Face (12) abuts sealingly against in described intermediate surface (7) or described middle edge (8)；
-make described second material (6) having been injected in described cavity (14) be polymerized, until polymerization According to circumstances obtain by described matrix (16) being assembled into the most described layer (20) upper and formed Described component (1) or mutual by the described contact surface (10) of transparent described mould (9) Mend the intermediate (6A) that intermediate surface (7A) defines；
-remove described mould (9)；
-each formation operation repeating layer (20) with new mould (9), has until obtaining The described component (1) of final volume, the internal volume ratio of described new mould (9) is by preceding The volume of the described intermediate (6A) that mould obtains is big.
Method the most according to claim 1, it is characterised in that this optically transparent polymerizable material Material is optically transparent acrylate copolymer.
Method the most according to claim 2, it is characterised in that this acrylate copolymer is poly-first Base acrylic acid methyl ester..
Method the most according to claim 1, it is characterised in that select methyl methacrylate to make For described first material (5).
Method the most according to claim 1, it is characterised in that have been injected into described cavity (14) In described second material (6) stand the temperature 10 between 100 DEG C and 120 DEG C in the course of the polymerization process To 20 seconds.
Method the most according to claim 1, it is characterised in that injecting described second material (6) Afterwards, the described mould (9) made by the die form passed through with ultraviolet energy or will After described intermediate (6A) or the component (1) being polymerized remove from described cavity (14), Described intermediate (6A) or described component (1) is irradiated, in order to obtain by ultraviolet radiation State the hardness of the raising of intermediate (6A) or described component (1).
Method the most according to claim 6, it is characterised in that described first material (5) is selected It is selected to ultraviolet irradiation permeable, in addition to irradiating through described mould (9), also utilizes ultraviolet Line irradiation irradiates described intermediate (6A) or described component (1) through described matrix (16), In order to obtain the hardness of the raising of described intermediate (6A) or described component (1).
Method the most according to claim 1, it is characterised in that by described second material (6) To institute during being expelled in described cavity (14) and in described second material (6) polymerization process State mould (9) and described matrix (16) applies thrust, to manufacture described component (1).
Method the most according to claim 1, it is characterised in that described component (1) is manufactured into It is flat for making described top surface (2), and it is permeable that described mould (9) is chosen to ultraviolet irradiation, The most described contact surface (10) of wherein said mould is flat.
Method the most according to claim 1, it is characterised in that at mould at least one described (9) producing injection and degassing capillary bed (13) in, described second material (6) is by described Injection and degassing capillary bed (13) are expelled in involved described mould (9) so that described the Two materials (6) are completely filled with by the described contact surface (10) of described mould (9), described matrix (16) cavity (14) that described intermediate surface (7) and described edge (11) are defined, described Edge (11) abuts sealingly against in described middle table by the described supporting surface (12) of described mould On face (7) or described middle edge (8).
11. methods according to claim 1, it is characterised in that in the pressure higher than 100MPa The injection of described first material (5) is performed under power.
12. methods according to claim 1, it is characterised in that each to different by forming composition Property the having a striped section of light diffusion part and form optical function structure described intermediate surface (7) is upper.
13. methods according to claim 1, it is characterised in that the most mutual by being formed Parallel and be substantially perpendicular to the plane tangent with described basal surface (3) or described intermediate surface (7) Mortise (70) and/or joint tongue (18) come upper in described intermediate surface (7), at described mortise and Intersecting between extension and the involved surface of joint tongue forms mechanical function structure in section.
14. methods according to claim 1, it is characterised in that by described matrix (16) Higher curvature region in formed than in the region of the relatively low curvature of this matrix formed section less Matrix section and the section ratio that the layer (20) increased is manufactured in the high curvature areas of this layer Section in the low area of curvature of this layer is bigger and forms mechanical function in described intermediate surface (7) Change structure.
15. methods according to claim 1, it is characterised in that by described component (1) Relatively low area of curvature in formed thickness change region and in intermediate surface (7), form mechanical function Change structure.
16. methods according to claim 1, it is characterised in that in centre at least one described Surface (7) is upper forms functionalization structure, to arrange the concaveconvex structure with recess, this concaveconvex structure Size is with the most charged or electrifiable and/or magnetized or the particle size of magnetizable granule is close, institute State granule apply described second material (6) top layer before with described second material (6) being in liquid Mixed deposit.
17. methods according to claim 1, it is characterised in that described matrix (16) coats There is the layer (20) of described second material (6) to manufacture described component (1), the combination of described layer Thickness is between 10 and 50 microns.
18. methods according to claim 1, it is characterised in that covering described matrix (16) Layer at least one certain layer and at least one described intermediate surface (7) be configured so that according to making The incident angle that described component (1) is observed is hidden or appears described certain layer by user.
19. 1 kinds utilize the clock that method manufacture according to claim 1 is selected from following component The purposes of table component (1): table mirror, table hat, the intermediate member of watchcase, bottom plate, clamping plate, wheel, Escape wheel, escapement lever, cartridge housing, amortisseur/buffer.
CN201280049239.7A 2011-10-04 2012-10-02 Machinery and/or the method for optical function for transparent clock and watch component Active CN103857513B (en)

Applications Claiming Priority (3)

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EP11183804.1A EP2578372B1 (en) 2011-10-04 2011-10-04 Method for optical functionalization of a transparent clock component
EP11183804.1 2011-10-04
PCT/EP2012/069471 WO2013050372A2 (en) 2011-10-04 2012-10-02 Method for the mechanical and/or optical functionalisation of a transparent timepiece component

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RU2014117729A (en) 2015-11-10
EP2578372A1 (en) 2013-04-10
JP5818998B2 (en) 2015-11-18
KR20140074989A (en) 2014-06-18
WO2013050372A3 (en) 2013-06-20
WO2013050372A2 (en) 2013-04-11
US20140242273A1 (en) 2014-08-28
EP2578372B1 (en) 2014-03-19
IN2014CN03278A (en) 2015-07-03
CN103857513A (en) 2014-06-11
WO2013050372A4 (en) 2013-08-08
HK1198969A1 (en) 2015-06-19
EP2763834A2 (en) 2014-08-13

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